On Fri, Dec 23, 2016 at 05:28:51PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> + if (is_top || bdrv_has_zero_init(blk_bs(job->target))) {/* * Returns 1 if newly created images are guaranteed to contain * only zeros, 0 otherwise. */ int (*bdrv_has_zero_init)(BlockDriverState *bs); This function does not cover arbitrary images opened with bdrv_open(), only those created with bdrv_img_create() immediately before opening. This means that the check is only valid with backup->mode != NEW_IMAGE_MODE_EXISTING.
signature.asc
Description: PGP signature
